FM over Dm River
Poor Condition121 years old30 vehicles/day
Location
| State | Iowa |
| County | Humboldt |
| Location | 092302305 |
| Carries | FM |
| Crosses | Dm River |
| Coordinates | 42.77178, -94.35496 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 3 (Serious) |
| Substructure | 3 (Serious) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 216.9 ft (66.1 m) |
| Max Span | 140.1 ft (42.7 m) |
| Deck Width | 15.7 ft (4.8 m) |
| Deck Area | 317.3 sq m |
| Main Spans | 1 |
| Year Built | 1905 (reconstructed 1982) |
Traffic
| Avg Daily Traffic | 30 (2022) |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 000000000184950 |